The present research was conducted in the field of Agricultura! Experimental Station "El Porvenir", in the valley of Bajo Mayo, Province of San Martin, geographically characterized by having the following coordinates: Longitude West 76 5 ', 6 35 'south latitude and 356 meters above sea level; in arder to evaluate the effect of dose (500- 1000-1500 kg.ha-1 ) of guano island in productivity simply modified maize hybrid Pioneer 30F87, determine the most appropriate dose of guano island in increasing productivity corn and perform economic analysis of the best dosages guano island. Performance and additional vegetative characteristics were evaluated using the statistical Randomized complete block design (DBCR) with 4 replications and 4 treatments, the results were analyzed by analysis of variance and multiple testing significance of Duncan. The experimental soil was residual origin and flat s...